Answer:
138
Step-by-step explanation:
Do the inverse. 69 2/3 multiplied by 3 is 138.
Answer:

Step-by-step explanation:

3/4 of an hour = 45 minutes
45 * 3 = 135 minutes
135 + 45 = 180 minutes
He spends 180 minutes or 3 hours
Answer:
F=0.4t
Step-by-step explanation:
Find the slope using the formula rise over run or y2-y2 over x2-x1
y2=72 y1=64 x2=25 x1=5
72-64/25-5=8/20=0.4
Answer:
23
Step-by-step explanation:
because the are la of the square is equal all sides of area